nevus unius lateris
[yōō-nī′əs lăt′ər-ĭs, yōō′nē-əs]
A congenital linear nevus limited to one side of the body or to portions of the extremities on one side of the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.